Intro; Dedication; Foreword; Preface; Acknowledgments; Contents; Part I: Generalities on Surface Instabilities; Chapter 1: Introduction to Surface Instabilities and Wrinkle Formation; 1.1 Introduction to Surface Instabilities; 1.2 Wrinkling on Polymer Surfaces; 1.3 About this Book; References; Chapter 2: Strategies for the Fabrication of Wrinkled Polymer Surfaces; 2.1 Introduction; 2.1.1 Films Structures of Wrinkled Surfaces; 2.2 Layered Systems Composed of Layers with Dissimilar Mechanical Properties; 2.2.1 Bilayered Systems: Structure and Materials
2.2.1.1 Types of Substrates in Bilayered Systems2.2.1.2 Top Layers; 2.3 Classification of the Wrinkling Mechanisms as a Function of the Stimulus Employed to Induce Surface Buckling; 2.4 Depth-Wise Gradient Films; 2.5 Homogeneous Films; 2.5.1 Wrinkle Formation by Solvent Swelling/Drying; 2.5.2 Wrinkles Produced Directly by Solvent Casting.; 2.5.3 Wrinkles Produced by Marangoni Convection; 2.5.4 Film Wrinkling under Capillary Forces; 2.5.5 Direct Laser Interference Patterning (DLIP); 2.5.6 Laser-Induced Periodic Surface Structures (LIPPS); 2.6 Conclusions; References
Chapter 4: Control of Wrinkled Structures on Surface-Reformed Elastomers via Ion Beam Bombardment4.1 Introduction; 4.2 Wrinkling Background; 4.3 Ion Beam Deposition; 4.4 Ion Beam-Induced Surface Patterns on Polymers via IB; 4.4.1 Aspect Ratio on Wrinkled Patterns; 4.4.1.1 Temperature Variations; 4.4.1.2 Deposition Time; 4.4.1.3 Different Ion Beam Voltages; 4.4.1.4 Incidence Angle; 4.4.1.5 Metal Ion Implantation; 4.4.2 Configuring the Wrinkle Pattern by Using Templates; 4.4.3 Energy Dependence: Fluence of the Ion Beam; 4.5 Conclusions; References
Chapter 5: Wrinkled Hydrogel Formation by Interfacial Swelling on Thermoplastic Surfaces5.1 Wrinkling: Some Basic Concepts; 5.2 Approaches for the Preparation of Wrinkled Hydrogels on Solid Supports; 5.3 Cell Behavior on Microwrinkled Surfaces; 5.3.1 Cell Morphology on Wrinkled Surfaces; 5.4 Differentiation on Microstructured Wrinkled Hydrogels; 5.5 Formation of Three-Dimensional Multicellular Spheroids; 5.6 Fabrication of Supported Wrinkled Hydrogel Substrates on Thermoplastic Polymers; 5.7 Variation of the Wrinkle Characteristics: Period and Amplitude
Part II: Novel Approaches for Wrinkled Patterns FormationChapter 3: Wrinkles Obtained by Frontal Polymerization/Vitrification; 3.1 Introduction; 3.1.1 Photofrontal Polymerization; 3.1.2 Plasma-Ignited Frontal Polymerization; 3.2 Examples of Wrinkled Patterns Generated by FP; 3.2.1 Via Photofrontal Polymerization; 3.2.2 Via Thermo-/Photofrontal Polymerizations; 3.2.3 Via Plasma-Ignited Frontal Polymerization; 3.2.4 Via a Mixture of Plasma-Ignited and Photofrontal Polymerizations; 3.3 Conclusion; References
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This book presents the state of the art in surface wrinkling, including current and future potential applications in biomedicine, tissue engineering, drug delivery, microfluidic devices, and other promising areas. Their use as templates, flexible electronics, and supports with controlled wettability and/or adhesion for biorelated applications demonstrate how the unique characteristics of wrinkled interfaces play a distinguishing and remarkable role. The fabrication approaches employed to induce wrinkle formation and the potential to fine-tune the amplitude and period of the wrinkles, their functionality, and their final morphology are thoroughly described. An overview of the main applications in which these buckled interfaces have already been employed or may have an impact in the near future is included. Presents a detailed description of the physical phenomena and strategies occurring at polymer surfaces to produce wrinkled surface patterns; Examines the different methodologies to produce morphology-controlled wrinkled surface patterns by means of physical and chemical treatment methods; Provides clear information on current and potential applications in flexible electronics and biomaterials, which are leading the use of these materials.